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Physiology Review Part 2

Authored by Madelyn Bowles

Biology

University

Used 20+ times

Physiology Review Part 2
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25 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

All of the following are functions controlled by the skeletal muscle EXCEPT?

Movement of the whole body or part of the body

maintain blood pressure and flow

Emptying contents of certain organs to the external environment

Manipulation of external objects

2.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

Which is true concerning the structure of skeletal muscle

Have contractile apparatus

Have Muscle fibers

Contain thin and thick filaments

Two of these

None of these

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

During contractions of the sarcomere what band/zone shortens horizontally?

L- Band

I- Band

H Zone

two of these

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The thick filament contains _____ but NOT _____

Sarcomere, Sarcoplasmic Reticulum

Myosin, Actin

Actin, Myosin

Tail, Head

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The thin filament contains ____ but NOT_____

Actin, Myosin

Actin, Tropomyosoin

Troponin, Tropmyosin

Myosin, Actin

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

During Calcium Release, this travels down the T-tubule, and open VG DHP receptors

ACh

(Acetylcholine)

Action potential

Action Nuerons

Calcium

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

During Calcium Release:

After the AP travels down the T-tubule, triggering the opening of VG DHP receptors what happens?

Ca++ enters the cell through VG Ca++ channels

SR opens, Ca++ enters the cytoplasm

Contraction(Excitation contration coupling)

RR opens, and allows Ca++ to enter the cytoplasm

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